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Open demand × Furnace, Steam Plant, and Drying Equipment; and Nuclear Reactors

Air Purification Equipment FSC 4460

Open solicitations in Federal Supply Class 4460 — real requests for quote a supplier can bid on today, linked to the official DIBBS record for each one — plus the ones we've already recorded as they closed. Nothing here gets deleted when it expires: this category's demand history grows every time an RFQ closes.

7
Open solicitations
5
Closing within 7 days
109
Total open quantity
60
Tracked all-time (53 closed)

Closing dates and quantities

Closing calendar

What closes when? Solicitations by closing date for the next 30 days.

  • Closes within 7 days
  • Closes later
12345Nov 6Nov 13Nov 20Nov 27Dec 4closing date

Counts as of Nov 6, 2026. Weekends are near zero because DLA sets weekday deadlines.

Bid-window map

Which open solicitations are large, and how long is left? One mark per solicitation.

  • Coded for competition
  • Coded for a named source
  • Not coded
110100today7d14dthis weekdays until the solicitation closesquantity requested (log scale)

Open parts

4460-01-440-6802

SENSOR,LEVEL,BOILER

Open · closes in 3d 15 units Named source

1 solicitation (1 open · 0 closed)

4460-01-692-2652

FILTER,AIR,ELECTROSTATIC

Open · closes in 3d 27 units Named source

2 solicitations (1 open · 1 closed)

4460-01-657-2318

FILTER,AIR,ELECTROSTATIC

Open · closes in 3d 1 units Named source

3 solicitations (1 open · 2 closed)

4460-01-550-8033

FILTER,AIR,ELECTROSTATIC

Open · closes in 3d 3 units Named source

2 solicitations (1 open · 1 closed)

4460-00-590-9268

CELL,COLLECTOR

Open · closes in 3d 31 units Named source

1 solicitation (1 open · 0 closed)

4460-01-042-9122

BASEPLATE,FILTER CANNISTER

Open · closes in 10d 32 units Named source

2 solicitations (1 open · 1 closed)

4460-01-463-3194

FLTR,CARBON,COLLECT

Closed · last Nov 2, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4460-01-026-1158

SNUBBER ASSEMBLY

Closed · last Oct 26, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4460-00-574-7557

CELL,IONIZER

Closed · last Oct 26, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-00-588-2688

FILTER UNIT,AIR PURIFICATION SYS

Closed · last Oct 26, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4460-01-560-1105

PURIFIER UNIT,AIR

Closed · last Oct 26, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-255-6686

FILTER,AIR,ELECTROSTATIC

Closed · last Oct 22, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4460-01-592-4168

FILTER UNIT,AIR PURIFICATION SYS

Closed · last Oct 21, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4460-01-663-1504

FILTER,AIR,ELECTROSTATIC

Closed · last Oct 19, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-657-9611

FILTER,AIR,ELECTROSTATIC

Closed · last Oct 16, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-311-3732

FILTER,AIR,ELECTROSTATIC

Closed · last Oct 16, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4460-01-043-7255

COLLECTOR,DUST

Closed · last Oct 13, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4460-01-632-8091

FILTER UNIT,AIR PURIFICATION SYS

Closed · last Oct 13, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-681-4777

FILTER,AIR,ELECTROSTATIC

Closed · last Oct 13, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-613-0955

FILTER,AIR,ELECTROSTATIC

Closed · last Oct 13, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-145-8299

FILTER,AIR,ELECTROSTATIC

Closed · last Oct 13, 2026 — units Competed

3 solicitations (0 open · 3 closed)

4460-01-196-9157

FILTER,AIR,ELECTROSTATIC

Closed · last Oct 13, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4460-00-876-2457

FILTER,AIR

Closed · last Oct 13, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-464-8895

FILTER UNIT,AIR PURIFICATION SYS

Closed · last Sep 30, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-615-8831

FILTER,AIR,ELECTROSTATIC

Closed · last Sep 28, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-12-422-0097

FILTER UNIT, AIR PUR

Closed · last Sep 28, 2026 — units

2 solicitations (0 open · 2 closed)

4460-01-697-3171

FILTER UNIT,AIR PURIFICATION SYS

Closed · last Sep 28, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-610-0748

FILTER

Closed · last Sep 28, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-482-1776

FILTER,ELEMENT,ELECTROSTATIC

Closed · last Sep 28, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-476-2143

FILTER,AIR,ELECTROSTATIC

Closed · last Sep 24, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4460-01-370-3090

FILTER,DEGAUSSING UNIT

Closed · last Sep 14, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-463-0649

LOW PRESSURE AIR MEMBRANE DEHYRA

Closed · last Sep 14, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-728-0710

PURIFIER UNIT,AIR

Closed · last Sep 14, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-698-2713

FILTER,AIR,ELECTROSTATIC

Closed · last Sep 14, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-00-221-5451

PRECIPITATOR,FOG

Closed · last Sep 14, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-519-9141

WIRE ASSEMBLY,IONIZING

Closed · last Sep 14, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-669-7647

REBUILD KIT

Closed · last Sep 11, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-098-9572

COLLECTOR,DUST

Closed · last Aug 31, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-642-5833

FILTER,AIR,ELECTROSTATIC

Closed · last Aug 31, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-480-4241

DEMISTER

Closed · last Aug 28, 2026 — units Competed

2 solicitations (0 open · 2 closed)

4460-01-690-3017

FILTER,AIR,ELECTROSTATIC

Closed · last Aug 24, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4460-01-407-1001

COLLECTOR,DUST

Closed · last Aug 17, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4460-01-692-5474

FILTER,AIR,ELECTROSTATIC

Closed · last Aug 17, 2026 — units Named source

1 solicitation (0 open · 1 closed)

Cite this page
Citation

NSN Explorer. "Air Purification Equipment FSC 4460." nsnexplorer.com, https://nsnexplorer.com/open/4460/. Data as of November 6, 2026.

Link

https://nsnexplorer.com/open/4460/